Exercise apparatus



FIG. 1 is a top perspective view of an exercise apparatus showing my newdesign;

FIG. 2 is a side view of the exercise apparatus;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof.

The ornamental design for an exercise apparatus, as shown and described.